Side by side

Christopher Ward C60 Atoll 300vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C60 Atoll 300
Christopher WardC60 Atoll 300
MSRP $1,320

At a glance

14 of 29 specs differ
Diameter
C60 Atoll 30047.4mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
C60 Atoll 30038h
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Water Resistance
C60 Atoll 300300m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
C60 Atoll 300$1,320
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

5 specs
Diameter
47.4mm
42.6mm
Thickness
11.3mm
13.4mm
Lug-to-Lug
47.4mm
49.3mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW200
8L35
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
50h
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,320
$2,900

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C60 Atoll 300

Owners widely praise the Christopher Ward C60 Atoll 300 for its superb fit and finish, with its "light catcher" case described as jewelry-like and its dial as beautiful and well-coordinated with the strap. The Sellita SW200-1 movement is noted for running near COSC standards, though one owner reports accuracy around -6 seconds per day while another notes +1/+2 seconds per day. Some users desire a larger 42mm size option. On balance, owners rate the Christopher Ward C60 Atoll 300 highly for its exceptional case finishing and dial aesthetics at its price point.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is praised for its premium finishing, often described as Zaratsu-like, and robust build quality, with owners finding its 42mm case and 4 o'clock crown appealing for wearability. Some reviewers note its secondary GMT function and quieter bezel clicks may not suit all preferences, while one owner reported bezel misalignment issues. The watch is powered by the Caliber 8L45 automatic movement, offering a 72-hour power reserve and an accuracy rating of -5/+10 seconds per day, though some owners question its value proposition at its price point. On balance, owners and reviewers rate the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch highly for its exceptional finishing and refined tool-like aesthetic.

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